Subtract 8/63 from 24/81
24/81 - 8/63 is 32/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
24/81 = 24 × 7/81 × 7 = 168/567 - Likewise, for the 2nd fraction, since 63 × 9 = 567,
8/63 = 8 × 9/63 × 9 = 72/567 - Subtract the two like fractions:
168/567 - 72/567 = 168 - 72/567 = 96/567 - After reducing the fraction, the answer is 32/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/81-8/63 24/81-16/63 72/81-8/63 24/81-24/63 24/81-40/63 24/81-56/63